tell thor to return non zero exit value on failure
Merge pull request #7 from GoatOS/fail_on_error

(bug)tell thor to return non zero exit value on failure
allow passing configs for cloud
cloud based provisioning
Merge pull request #8 from GoatOS/cloud

add support for cloud based provisioning
update gems
move gem packages at the end
thrust
test alternate gem installation method. digital ocean is flaky with gem_package
move cloud provisioning logic to dedicated method
remove chef-lxc dep. add lxc-extra for execute method
more descriptive job name
Merge branch 'master' into custom_user

Conflicts:
	cookbooks/goatos/recipes/lxc_install.rb